681435364214 has 16 divisors (see below), whose sum is σ = 1127604998160. Its totient is φ = 306263084160.

The previous prime is 681435364199. The next prime is 681435364339. The reversal of 681435364214 is 412463534186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174011159 + ... + 174015074.

It is an arithmetic number, because the mean of its divisors is an integer number (70475312385).

Almost surely, 2^681435364214 is an apocalyptic number.

681435364214 is a deficient number, since it is larger than the sum of its proper divisors (446169633946).

681435364214 is a wasteful number, since it uses less digits than its factorization.

681435364214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348026335.

The product of its digits is 1658880, while the sum is 47.

The spelling of 681435364214 in words is "six hundred eighty-one billion, four hundred thirty-five million, three hundred sixty-four thousand, two hundred fourteen".